I think if you develop from the ground up to be a mobile optimized web app you can achieve good performance. I recently built this as a side project using Boot

I think if you develop from the ground up to be a mobile optimized web app you can achieve good performance. I recently built this as a side project using Bootstrap and it feels similar to an app (or faster) on iOS 'saved to my homepage': http://moneytrackr.ca/ http://moneytrackr.ca/ Then later I found out about the Ratchet framework, so I think the potential is there.